Quiz: Trivia Questions From Chemistry And Electricity
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- 1.Organic chemistry is the study of substances containing:
- A.
Carbon
- B.
Water
- C.
Hydrogen
- D.
Organisms
- 2.Example of organic substances include:
- A.
Pesticides
- B.
Minerals
- C.
Pure water
- D.
Metals
- 3.Matter is any substance that:
- A.
Occupies space
- B.
Contains carbon
- C.
Is soluble in water
- D.
Is either a solid or a liquid
- 4.The particles from which all matter is composed are:
- A.
Elemental molecules
- B.
Compound molecules
- C.
Atoms
- D.
Chemical compunds
- 5.Two or more atoms of the same element that are united chemically form a/an:
- A.
Elmental molecule
- B.
Chemical compound
- C.
Compound molecule
- D.
State of matter
- 6.When water boils, it is changing from one state of matter to another, from:
- A.
Liquid to gas
- B.
Gas to liquid
- C.
Solid to liquid
- D.
Solid to gas
- 7.When a physical change occurs in a substance, there is:
- A.
A change in physical properties
- B.
No change in state of matter
- C.
The formation of a new substance
- D.
A chemical reaction
- 8.The action of permanent haircolor is an example of a:
- A.
Physical change
- B.
Temporary change
- C.
Chemical change
- D.
Change in state of matter
- 9.Water (H20) is an example of a/an:
- A.
Chemical compound
- B.
Element
- C.
Physical misture
- D.
Solution
- 10.Salt water and fruit salad are examples of a/an:
- A.
Pure substance
- B.
Physical mixture
- C.
Chemical compound
- D.
Element
- 11.A blended mixtue of two or more solids, liquids, or gases is a/an:
- A.
Solution
- B.
Suspension
- C.
Emulsion
- D.
Chemical compound
- 12.Liquids that can be mixed together in any proportion without separating are:
- A.
Suspended
- B.
Immiscible
- C.
Emulsified
- D.
Miscible
- 13.A substance that dissoves another substance to form a solution, with no change in chemical compostion, is a/an:
- A.
Surfactant
- B.
Solvent
- C.
Emulsion
- D.
Solute
- 14.A mixtue that must be shaken or mixed well before suing is a/an:
- A.
Suspension
- B.
Solution
- C.
Oil-in-water emulsion
- D.
Water-in-oil emulsion
- 15.Most of the emulsions used in a salon:
- A.
Are water-in-oil emulsions
- B.
Do not use surfactants
- C.
Contain more oil than water
- D.
Are oil-in-water emulsion
- 16.Emulsions are mixtures of two or more:
- A.
Miscible substances
- B.
Surfactants
- C.
Immiscible substances
- D.
Solutions
- 17.The head of a surfactant molecule is water-loving, or:
- A.
Immiscible
- B.
Hydrophilic
- C.
Hydrophobic
- D.
Lipophilic
- 18.Substances that are often used instead os ammonia in hair products because their odor is not as strong are:
- A.
Silicone
- B.
Alcohol
- C.
Alkanolamines
- D.
Glycerin
- 19.A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:
- A.
Glycerin
- B.
Fatty alcohol
- C.
Ammonia
- D.
Hydrogen peroxide
- 20.In pure water, some of the molecules naturally ionize into hydrogen ions and:
- A.
Nitrogen ions
- B.
Peroxide ions
- C.
Hydroxide ions
- D.
Oxygen ions
- 21.PH is only possible because of the ionization of:
- A.
Alcohol
- B.
Water
- C.
Oil
- D.
Nonaqueous solutions
- 22.The pH scale measures:
- A.
Acidity and alkalinity
- B.
Melting point and boiling point
- C.
Purity and hardness
- D.
Weight and density
- 23.Solutions with a pH below 7.0 are:
- A.
Neutral
- B.
Alkaline
- C.
Basic
- D.
Acidic
- 24.Alkalis have a pH above 7.0 and:
- A.
Taste sour
- B.
Turn blue litmus paper red
- C.
Soften and swell the hair
- D.
Contract and harden the hair
- 25.The average pH of hair and skin is:
- A.
Seven
- B.
Five
- C.
Three
- D.
12
- 26.When a substance is combined with oxygen, the process is called:
- A.
Oxidation
- B.
Redox reaction
- C.
Reduction
- D.
Ionization
- 27.The chemical reaction in which hydrogen is added to a substance is:
- A.
Oxidation
- B.
Redox reaction
- C.
Reductin
- D.
Ionization
- 28.A substance that readily transmits electricity is a/an:
- A.
Insulator
- B.
Rectifier
- C.
Converter
- D.
Conductor
- 29.Rubber and silk are good:
- A.
Insulators
- B.
Circuit breakers
- C.
Converters
- D.
Conductors
- 30.A constant electrical current traveling in one direction only is called a/an:
- A.
Alternating current
- B.
Direct current
- C.
Faradic current
- D.
Sinusoidal current
- 31.A unit of electrical pressure is referred to as a/an:
- A.
Volt
- B.
Ohm
- C.
Watt
- D.
Ampere
- 32.An ampere (amp) is a unit of electrical:
- A.
Strength
- B.
Tension
- C.
Resistance
- D.
Usage
- 33.The amount of electrical energy that is being used in one second is measured in:
- A.
Watts
- B.
Amps
- C.
Volts
- D.
Ohms
- 34.A device that automatically interrupts or shuts off an electric circuit in the event of overload is the:
- A.
Fuse
- B.
Wall plate
- C.
Circuit breaker
- D.
Converter
- 35.Electronic facial treatments are known as:
- A.
Electrotherapy
- B.
Light therapy
- C.
Hydrotherapy
- D.
Shock therapy
- 36.The positive electrode of an electrotherapy device is called a/an:
- A.
Plug
- B.
Anode
- C.
Wall plate
- D.
Cathode
- 37.In electrotherapy, the cathode is:
- A.
Usually red
- B.
The negative electrode
- C.
The positive electrode
- D.
Marked with a plus (+) sign
- 38.A constant and direct current used to produce chemical effects on the tissues and fluids of the body is the:
- A.
Sinusoidal current
- B.
Faradic current
- C.
Galvanic current
- D.
Telsa current
- 39.An alternating and interruped current used to cause muscular contractions is the:
- A.
Galvanic current
- B.
High-frequency current
- C.
Faradic current
- D.
Tesla current
- 40.An electrical current used for its heat-producing effects is the:
- A.
Sinusoidal current
- B.
Galvanic current
- C.
Faradic current
- D.
High-frequency current
- 41.The anode (positive electrode) of a galvanic device:
- A.
Expands blood vessels
- B.
Opens the pores
- C.
Contracts blood vessels
- D.
Produces alkaline reactions
- 42.The cathode (negative electrode) of a galvanic device:
- A.
Soothes nerves
- B.
Closes the pores
- C.
Stimulates the nerves
- D.
Hardens and firms tissue
- 43.The process of softening and emulsifying oil deposits and blackheads in the follicles is:
- A.
Cataphoresis
- B.
Anaphoresis
- C.
Desincrustation
- D.
Iontophoresis
- 44.Visible light makes up _ % of natural sunlight.
- A.
50
- B.
5
- C.
35
- D.
65
- 45.Ultraviolet (UV) rays, also called cold rays or actinic rays, have short wavelengths and:
- A.
Are the least penetrating rays
- B.
Produce the most heat
- C.
Are safe in large doese
- D.
Have no germicidal effect
- 46.The invisible rays that produce the most heat are the:
- A.
Ultraviolet rays
- B.
Infrared rays
- C.
Red light rays
- D.
Actinic rays
- 47.It is estimated that _ Americans will develop skin cancer.
- A.
1 in 5
- B.
1 in 100
- C.
1 in 1,000
- D.
1 in 50
- 48."Combination light" is also known as:
- A.
White light
- B.
Blue light
- C.
Ultraviolet light
- D.
Red light
- 49.The average distance you should place an infrared lamp from the skin is about:
- A.
18"
- B.
10"
- C.
30"
- D.
24"
- 50.A safety precaution you should always follow with electrical equipment is to:
- A.
Step on electrical cords
- B.
Use only one plug per outlet
- C.
Handle equipment with wet hands
- D.
Clean outlets with equipment plugged in
- 51.Which one do you like?
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
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